J. Choi

PD-L1 expression on immune cells, but not on tumor cells, is a favorable prognostic factor for head and neck cancer patients

Su Jin Heo, S. Ha, B. Cho, 2016, Scientific Reports.

Pathologically Proven Level IIb Lymph Node Metastasis in Head and Neck Cancer

Dong Young Kim, E. Choi, Y. Koh, 2001 .

Unilateral, Multicentric Warthin’s Tumor Mimicking a Tumor Metastatic to a Lymph Node

S. Chae, J. Sohn, H. Shin, 2004, Acta Cytologica.